Lenze E94AYCEP Bedienungsanleitung Seite 42

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7 Process data transfer
43 Lenze · E94AYCEP communication module (POWERLINK MN/CN) · Communication Manual · DMS 6.0 EN · 02/2014 · TD17
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7 Process data transfer
POWERLINK transmits process data, parameter data, configuration data and diagnostic data
between the Managing Node and the Controlled Nodes. Depending on their time-critical behaviour,
the data are transmitted via different communication channels.
Process data are transmitted via the process data channel.
Process data serve to control the Servo Drive 9400.
The transmission of process data is time-critical.
Process data are cyclically transferred between the Managing Node and the Controlled Nodes
(permanent exchange of current input and output data).
The Managing Node can directly access the process data. In the PLC, for instance, the data are
directly assigned to the I/O area.
1 ... 10 process data words (16 bits/word) can be received:
PDO_RX01 (C13231
/ C14231) ... PDO_RX10 (C13240 / C14240).
1 process data word can be sent:
PDO_TX01 (C13531
/ C14531)
Process data are not saved in the Servo Drive 9400.
Process data are e.g. setpoints, actual values, control words, and status words.
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